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| Rev 3040 | Rev 3105 | ||
|---|---|---|---|
| Line 3449... | Line 3449... | ||
| 3449 | 3449 | ||
| 3450 | popad |
3450 | popad |
| 3451 | ret |
3451 | ret |
| Line -... | Line 3452... | ||
| - | 3452 | endp |
|
| - | 3453 | ||
| - | 3454 | ;䨫ìâ¥à |
|
| - | 3455 | align 4 |
|
| - | 3456 | proc buf_filter_dither, buffer:dword, algor:dword |
|
| - | 3457 | pushad |
|
| - | 3458 | mov edi,[buffer] |
|
| - | 3459 | cmp buf2d_bits,24 |
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| - | 3460 | jne .error |
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| - | 3461 | mov edx,buf2d_w |
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| - | 3462 | mov esi,buf2d_h |
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| - | 3463 | mov edi,buf2d_data |
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| - | 3464 | ;edi - pointer to 24bit bitmap |
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| - | 3465 | ;edx - x size |
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| - | 3466 | ;esi - y size |
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| - | 3467 | lea edx,[edx*3] |
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| - | 3468 | imul esi,edx |
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| - | 3469 | ||
| - | 3470 | ;®¯à¥¤¥«ï¥¬ ª ª®© «£®à¨â¬ ¨á¯®«ì§®¢ âì |
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| - | 3471 | cmp dword[algor],0 |
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| - | 3472 | jne @f |
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| - | 3473 | call dither_0 |
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| - | 3474 | jmp .dither_end |
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| - | 3475 | @@: |
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| - | 3476 | cmp dword[algor],1 |
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| - | 3477 | jne @f |
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| - | 3478 | call dither_1 |
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| - | 3479 | jmp .dither_end |
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| - | 3480 | @@: |
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| - | 3481 | call dither_2 |
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| - | 3482 | jmp .dither_end |
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| - | 3483 | .error: |
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| - | 3484 | stdcall print_err,sz_buf2d_filter_dither,txt_err_n24b |
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| - | 3485 | .dither_end: |
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| - | 3486 | popad |
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| - | 3487 | ret |
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| - | 3488 | endp |
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| - | 3489 | ||
| - | 3490 | align 16 |
|
| - | 3491 | dither_0: ; Sierra Filter Lite algoritm |
|
| - | 3492 | newp_0: ; Dithering cycle |
|
| - | 3493 | xor ebx,ebx ; At first threshold |
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| - | 3494 | movzx ecx,byte[edi] |
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| - | 3495 | cmp cl,255 |
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| - | 3496 | je newp_0.next |
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| - | 3497 | test cl,cl |
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| - | 3498 | jz newp_0.next |
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| - | 3499 | jns @f |
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| - | 3500 | dec ebx |
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| - | 3501 | sub ecx,255 |
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| - | 3502 | @@: |
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| - | 3503 | mov [edi],bl ; putpixel |
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| - | 3504 | ||
| - | 3505 | sar ecx,1 ; error/2 |
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| - | 3506 | ;adc ecx,0 ; round to integer |
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| - | 3507 | ||
| - | 3508 | movzx eax,byte[edi+3] ; pixel (x+1;y) |
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| - | 3509 | add eax,ecx ; add error/2 to (x+1;y) |
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| - | 3510 | jge @f ; check_overflow |
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| - | 3511 | xor eax,eax |
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| - | 3512 | jmp .ok |
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| - | 3513 | @@: |
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| - | 3514 | cmp eax,255 |
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| - | 3515 | jle .ok |
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| - | 3516 | or al,255 |
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| - | 3517 | .ok: |
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| - | 3518 | mov [edi+3],al ; putpixel |
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| - | 3519 | ||
| - | 3520 | sar ecx,1 ; error/4 |
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| - | 3521 | adc ecx,0 ; round to integer |
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| - | 3522 | ||
| - | 3523 | movzx eax,byte[edi+edx-3] ; pixel (x-1;y+1) |
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| - | 3524 | add eax,ecx ; add error/4 to (x-1;y+1) |
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| - | 3525 | jge @f ; check_overflow |
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| - | 3526 | xor eax,eax |
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| - | 3527 | jmp .ok1 |
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| - | 3528 | @@: |
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| - | 3529 | cmp eax,255 |
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| - | 3530 | jle .ok1 |
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| - | 3531 | or al,255 |
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| - | 3532 | .ok1: |
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| - | 3533 | mov [edi+edx-3],al ; putpixel |
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| - | 3534 | ||
| - | 3535 | movzx eax,byte[edi+edx] ; pixel (x;y+1) |
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| - | 3536 | add eax,ecx ; add error/4 to (x;y+1) |
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| - | 3537 | jge @f ; check_overflow |
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| - | 3538 | xor eax,eax |
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| - | 3539 | jmp .ok2 |
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| - | 3540 | @@: |
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| - | 3541 | cmp eax,255 |
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| - | 3542 | jle .ok2 |
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| - | 3543 | or al,255 |
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| - | 3544 | .ok2: |
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| - | 3545 | mov [edi+edx],al ; putpixel |
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| - | 3546 | ||
| - | 3547 | .next: |
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| - | 3548 | inc edi |
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| - | 3549 | dec esi |
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| - | 3550 | jnz newp_0 |
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| - | 3551 | ret |
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| - | 3552 | ||
| - | 3553 | align 16 |
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| - | 3554 | dither_1: ; Floyd-Steinberg algoritm |
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| - | 3555 | newp_1: ; Dithering cycle |
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| - | 3556 | xor ebx,ebx ; At first threshold |
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| - | 3557 | movzx ecx,byte[edi] |
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| - | 3558 | cmp cl,255 |
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| - | 3559 | je newp_1.next |
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| - | 3560 | test cl,cl |
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| - | 3561 | jz newp_1.next |
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| - | 3562 | jns @f |
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| - | 3563 | dec ebx |
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| - | 3564 | sub ecx,255 |
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| - | 3565 | @@: |
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| - | 3566 | mov [edi],bl ; putpixel |
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| - | 3567 | ||
| - | 3568 | sar ecx,4 ; error/16 |
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| - | 3569 | adc ecx,0 ; round to integer |
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| - | 3570 | mov ebx,ecx |
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| - | 3571 | ||
| - | 3572 | movzx eax,byte[edi+edx+3] ; pixel (x+1;y+1) |
|
| - | 3573 | add eax,ecx ; add error/16 to (x+1;y+1) |
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| - | 3574 | jge @f ; check_overflow |
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| - | 3575 | xor eax,eax |
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| - | 3576 | jmp .ok |
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| - | 3577 | @@: |
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| - | 3578 | cmp eax,255 |
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| - | 3579 | jle .ok |
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| - | 3580 | or al,255 |
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| - | 3581 | .ok: |
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| - | 3582 | mov [edi+edx+3],al ;putpixel |
|
| - | 3583 | ||
| - | 3584 | imul ecx,3 |
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| - | 3585 | movzx eax,byte[edi+edx-3] ; pixel (x-1;y+1) |
|
| - | 3586 | add eax,ecx ; add 3*error/16 to (x-1;y+1) |
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| - | 3587 | jge @f ; check_overflow |
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| - | 3588 | xor eax,eax |
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| - | 3589 | jmp .ok1 |
|
| - | 3590 | @@: |
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| - | 3591 | cmp eax,255 |
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| - | 3592 | jle .ok1 |
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| - | 3593 | or al,255 |
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| - | 3594 | .ok1: |
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| - | 3595 | mov [edi+edx-3],al ;putpixel |
|
| - | 3596 | ||
| - | 3597 | mov ecx,ebx |
|
| - | 3598 | imul ecx,5 |
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| - | 3599 | movzx eax,byte[edi+edx] ; pixel (x;y+1) |
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| - | 3600 | add eax,ecx ; add 5*error/16 to (x;y+1) |
|
| - | 3601 | jge @f ; check_overflow |
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| - | 3602 | xor eax,eax |
|
| - | 3603 | jmp .ok2 |
|
| - | 3604 | @@: |
|
| - | 3605 | cmp eax,255 |
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| - | 3606 | jle .ok2 |
|
| - | 3607 | or al,255 |
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| - | 3608 | .ok2: |
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| - | 3609 | mov [edi+edx],al ;putpixel |
|
| - | 3610 | ||
| - | 3611 | mov ecx,ebx |
|
| - | 3612 | imul ecx,7 |
|
| - | 3613 | movzx eax,byte[edi+3] ; pixel (x+1;y) |
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| - | 3614 | add eax,ecx ; add 7*error/16 to (x+1;y) |
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| - | 3615 | jge @f ; check_overflow |
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| - | 3616 | xor eax,eax |
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| - | 3617 | jmp .ok3 |
|
| - | 3618 | @@: |
|
| - | 3619 | cmp eax,255 |
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| - | 3620 | jle .ok3 |
|
| - | 3621 | or al,255 |
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| - | 3622 | .ok3: |
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| - | 3623 | mov [edi+3],al ;putpixel |
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| - | 3624 | ||
| - | 3625 | .next: |
|
| - | 3626 | inc edi |
|
| - | 3627 | dec esi |
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| - | 3628 | jnz newp_1 |
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| - | 3629 | ret |
|
| - | 3630 | ||
| - | 3631 | align 16 |
|
| - | 3632 | dither_2: ; Burkers algoritm |
|
| - | 3633 | newp_2: ; Dithering cycle |
|
| - | 3634 | xor ebx,ebx ; At first threshold |
|
| - | 3635 | movsx ecx,byte[edi] |
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| - | 3636 | cmp cl,255 |
|
| - | 3637 | je newp_2.next |
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| - | 3638 | test cl,cl |
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| - | 3639 | jz newp_2.next |
|
| - | 3640 | jns @f |
|
| - | 3641 | dec ebx |
|
| - | 3642 | @@: |
|
| - | 3643 | mov [edi],bl ; putpixel |
|
| - | 3644 | ||
| - | 3645 | sar ecx,2 ; error/4 |
|
| - | 3646 | adc ecx,0 ; round to integer |
|
| - | 3647 | ||
| - | 3648 | movzx eax,byte[edi+3] ; pixel (x+1;y) |
|
| - | 3649 | add eax,ecx ; add error/4 to (x+1;y) |
|
| - | 3650 | jge @f ; check_overflow |
|
| - | 3651 | xor eax,eax |
|
| - | 3652 | jmp .ok |
|
| - | 3653 | @@: |
|
| - | 3654 | cmp eax,255 |
|
| - | 3655 | jle .ok |
|
| - | 3656 | or al,255 |
|
| - | 3657 | .ok: |
|
| - | 3658 | mov [edi+3],al ; putpixel |
|
| - | 3659 | ||
| - | 3660 | movzx eax,byte[edi+edx] ; pixel (x;y+1) |
|
| - | 3661 | add eax,ecx ; add error/4 to (x;y+1) |
|
| - | 3662 | jge @f ; check_overflow |
|
| - | 3663 | xor eax,eax |
|
| - | 3664 | jmp .ok1 |
|
| - | 3665 | @@: |
|
| - | 3666 | cmp eax,255 |
|
| - | 3667 | jle .ok1 |
|
| - | 3668 | or al,255 |
|
| - | 3669 | .ok1: |
|
| - | 3670 | mov [edi+edx],al ; putpixel |
|
| - | 3671 | ||
| - | 3672 | sar ecx,1 ; error/8 |
|
| - | 3673 | adc ecx,0 ; round to integer |
|
| - | 3674 | ||
| - | 3675 | movzx eax,byte[edi+6] ; pixel (x+2;y) |
|
| - | 3676 | add eax,ecx ; add error/8 to (x+2;y) |
|
| - | 3677 | jge @f ; check_overflow |
|
| - | 3678 | xor eax,eax |
|
| - | 3679 | jmp .ok2 |
|
| - | 3680 | @@: |
|
| - | 3681 | cmp eax,255 |
|
| - | 3682 | jle .ok2 |
|
| - | 3683 | or al,255 |
|
| - | 3684 | .ok2: |
|
| - | 3685 | mov [edi+6],al ; putpixel |
|
| - | 3686 | ||
| - | 3687 | movzx eax,byte[edi+edx-3] ; pixel (x-1;y+1) |
|
| - | 3688 | add eax,ecx ; add error/8 to (x-1;y+1) |
|
| - | 3689 | jge @f ; check_overflow |
|
| - | 3690 | xor eax,eax |
|
| - | 3691 | jmp .ok3 |
|
| - | 3692 | @@: |
|
| - | 3693 | cmp eax,255 |
|
| - | 3694 | jle .ok3 |
|
| - | 3695 | or al,255 |
|
| - | 3696 | .ok3: |
|
| - | 3697 | mov [edi+edx-3],al ; putpixel |
|
| - | 3698 | ||
| - | 3699 | movzx eax,byte[edi+edx+3] ; pixel (x+1;y+1) |
|
| - | 3700 | add eax,ecx ; add error/8 to (x+1;y+1) |
|
| - | 3701 | jge @f ; check_overflow |
|
| - | 3702 | xor eax,eax |
|
| - | 3703 | jmp .ok4 |
|
| - | 3704 | @@: |
|
| - | 3705 | cmp eax,255 |
|
| - | 3706 | jle .ok4 |
|
| - | 3707 | or al,255 |
|
| - | 3708 | .ok4: |
|
| - | 3709 | mov [edi+edx+3],al ; putpixel |
|
| - | 3710 | ||
| - | 3711 | sar ecx,1 ; error/16 |
|
| - | 3712 | ;adc ecx,0 ; round to integer |
|
| - | 3713 | ||
| - | 3714 | movzx eax,byte[edi+edx-6] ; pixel (x-2;y+1) |
|
| - | 3715 | add eax,ecx ; add error/16 to (x-2;y+1) |
|
| - | 3716 | jge @f ; check_overflow |
|
| - | 3717 | xor eax,eax |
|
| - | 3718 | jmp .ok5 |
|
| - | 3719 | @@: |
|
| - | 3720 | cmp eax,255 |
|
| - | 3721 | jle .ok5 |
|
| - | 3722 | or al,255 |
|
| - | 3723 | .ok5: |
|
| - | 3724 | mov [edi+edx-6],al ; putpixel |
|
| - | 3725 | ||
| - | 3726 | movzx eax,byte[edi+edx+6] ; pixel (x+2;y+1) |
|
| - | 3727 | add eax,ecx ; add error/16 to (x+2;y+1) |
|
| - | 3728 | jge @f ; check_overflow |
|
| - | 3729 | xor eax,eax |
|
| - | 3730 | jmp .ok6 |
|
| - | 3731 | @@: |
|
| - | 3732 | cmp eax,255 |
|
| - | 3733 | jle .ok6 |
|
| - | 3734 | or al,255 |
|
| - | 3735 | .ok6: |
|
| - | 3736 | mov [edi+edx+6],al ; putpixel |
|
| - | 3737 | ||
| - | 3738 | .next: |
|
| - | 3739 | inc edi |
|
| - | 3740 | dec esi |
|
| - | 3741 | jnz newp_2 |
|
| Line 3452... | Line 3742... | ||
| 3452 | endp |
3742 | ret |
| Line 4814... | Line 5104... | ||
| 4814 | dd sz_buf2d_offset_h, buf_offset_h |
5104 | dd sz_buf2d_offset_h, buf_offset_h |
| 4815 | dd sz_buf2d_flood_fill, buf_flood_fill |
5105 | dd sz_buf2d_flood_fill, buf_flood_fill |
| 4816 | dd sz_buf2d_set_pixel, buf_set_pixel |
5106 | dd sz_buf2d_set_pixel, buf_set_pixel |
| 4817 | dd sz_buf2d_get_pixel, buf_get_pixel |
5107 | dd sz_buf2d_get_pixel, buf_get_pixel |
| 4818 | dd sz_buf2d_flip_v, buf_flip_v |
5108 | dd sz_buf2d_flip_v, buf_flip_v |
| - | 5109 | dd sz_buf2d_filter_dither, buf_filter_dither |
|
| 4819 | dd sz_buf2d_vox_brush_create, vox_brush_create |
5110 | dd sz_buf2d_vox_brush_create, vox_brush_create |
| 4820 | dd sz_buf2d_vox_brush_delete, vox_brush_delete |
5111 | dd sz_buf2d_vox_brush_delete, vox_brush_delete |
| 4821 | dd sz_buf2d_vox_obj_get_img_w_3g, buf_vox_obj_get_img_w_3g |
5112 | dd sz_buf2d_vox_obj_get_img_w_3g, buf_vox_obj_get_img_w_3g |
| 4822 | dd sz_buf2d_vox_obj_get_img_h_3g, buf_vox_obj_get_img_h_3g |
5113 | dd sz_buf2d_vox_obj_get_img_h_3g, buf_vox_obj_get_img_h_3g |
| 4823 | dd sz_buf2d_vox_obj_draw_1g, buf_vox_obj_draw_1g |
5114 | dd sz_buf2d_vox_obj_draw_1g, buf_vox_obj_draw_1g |
| Line 4854... | Line 5145... | ||
| 4854 | sz_buf2d_offset_h db 'buf2d_offset_h',0 |
5145 | sz_buf2d_offset_h db 'buf2d_offset_h',0 |
| 4855 | sz_buf2d_flood_fill db 'buf2d_flood_fill',0 |
5146 | sz_buf2d_flood_fill db 'buf2d_flood_fill',0 |
| 4856 | sz_buf2d_set_pixel db 'buf2d_set_pixel',0 |
5147 | sz_buf2d_set_pixel db 'buf2d_set_pixel',0 |
| 4857 | sz_buf2d_get_pixel db 'buf2d_get_pixel',0 |
5148 | sz_buf2d_get_pixel db 'buf2d_get_pixel',0 |
| 4858 | sz_buf2d_flip_v db 'buf2d_flip_v',0 |
5149 | sz_buf2d_flip_v db 'buf2d_flip_v',0 |
| - | 5150 | sz_buf2d_filter_dither db 'buf2d_filter_dither',0 |
|
| 4859 | sz_buf2d_vox_brush_create db 'buf2d_vox_brush_create',0 |
5151 | sz_buf2d_vox_brush_create db 'buf2d_vox_brush_create',0 |
| 4860 | sz_buf2d_vox_brush_delete db 'buf2d_vox_brush_delete',0 |
5152 | sz_buf2d_vox_brush_delete db 'buf2d_vox_brush_delete',0 |
| 4861 | sz_buf2d_vox_obj_get_img_w_3g db 'buf2d_vox_obj_get_img_w_3g',0 |
5153 | sz_buf2d_vox_obj_get_img_w_3g db 'buf2d_vox_obj_get_img_w_3g',0 |
| 4862 | sz_buf2d_vox_obj_get_img_h_3g db 'buf2d_vox_obj_get_img_h_3g',0 |
5154 | sz_buf2d_vox_obj_get_img_h_3g db 'buf2d_vox_obj_get_img_h_3g',0 |
| 4863 | sz_buf2d_vox_obj_draw_1g db 'buf2d_vox_obj_draw_1g',0 |
5155 | sz_buf2d_vox_obj_draw_1g db 'buf2d_vox_obj_draw_1g',0 |